A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
iMac | 2.9 GHz Intel i5 | 27 Inch | Late 2012 - Techable.com
Apple iMac (Late 2012) review (21.5- and 27-inch) | Macworld
Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
Apple iMac 21.5-Inch (Late 2012) Review | PCMag
Teardown of New 21.5-inch iMac Reveals Glued Down LCD and Dual Microphones - MacRumors
Differences Between Mid-2011 and Late 2012 Aluminum iMac: EveryMac.com
Apple's 27" iMac Late 2012 model. How to upgrade the ram to 16GB - YouTube
Apple iMac (Late 2012) review (21.5- and 27-inch) | Macworld
iMac (27-inch, Late 2012) - Technical Specifications